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  2. Schumann resonances - Wikipedia

    en.wikipedia.org/wiki/Schumann_resonances

    The global electromagnetic resonance phenomenon is named after physicist Winfried Otto Schumann who predicted it mathematically in 1952. Schumann resonances are the principal background in the part of the electromagnetic spectrum [2] from 3 Hz through 60 Hz [3] and appear as distinct peaks at extremely low frequencies around 7.83 Hz (fundamental), 14.3, 20.8, 27.3, and 33.8 Hz.

  3. Musical cryptogram - Wikipedia

    en.wikipedia.org/wiki/Musical_cryptogram

    for Schumann, used in Carnaval, it is a re-ordering of that piece's A-S-C-H motif F, A, E and F, A, F for Frei aber einsam and Frei aber froh , "free but lonely" and "free but happy" in German; the former, his friend Joseph Joachim 's motto ( F-A-E Sonata ), described as "more romantic" than the latter, a "gender-separatist" motto of Johannes ...

  4. Extremely low frequency - Wikipedia

    en.wikipedia.org/wiki/Extremely_low_frequency

    The fundamental Schumann resonance is at approximately 7.83 Hz, the frequency at which the wavelength equals the circumference of the Earth, and higher harmonics occur at 14.1, 20.3, 26.4, and 32.4 Hz, etc. Lightning strikes excite these resonances, causing the Earth–ionosphere cavity to "ring" like a bell, resulting in a peak in the noise ...

  5. Winfried Otto Schumann - Wikipedia

    en.wikipedia.org/wiki/Winfried_Otto_Schumann

    Winfried Otto Schumann (May 20, 1888 – September 22, 1974) was a German physicist and electrical engineer who predicted the Schumann resonances, a series of low-frequency resonances caused by lightning discharges in the atmosphere.

  6. Signal Generator Market Size to Worth USD 3259.96 Million by ...

    lite.aol.com/tech/story/0022/20241118/9275625.htm

    The global signal generator market size was valued at USD 1644.44 million in 2024 and is projected to reach from USD 1774.35 million in 2025 to USD 3259.96 million by 2033, growing at a CAGR of 7.90% during the forecast period (2025-2033).

  7. List of compositions by Robert Schumann - Wikipedia

    en.wikipedia.org/wiki/List_of_compositions_by...

    Robert Schumann. This list of compositions by Robert Schumann is classified into piano, vocal, orchestral and chamber works. All works are also listed separately, by opus number. Schumann wrote almost exclusively for the piano until 1840, when he burst into song composition around the time of his marriage to Clara Wieck. The list is based on ...

  8. Diesel Generator Market worth $23.4 Billion by 2029, Globally ...

    lite.aol.com/tech/story/0022/20241202/9312316.htm

    Diesel Generator Market worth $23.4 Billion by 2029, Globally, at a CAGR of 5.4%, says MarketsandMarkets™ Delray Beach, FL, Dec. 02, 2024 (GLOBE NEWSWIRE) -- Diesel Generator Market size is projected to grow from USD 17.9 billion in 2024 to USD 23.4 billion by 2029, at a CAGR of 5.4% , as per the recent study by MarketsandMarkets™.

  9. Overture, Scherzo and Finale - Wikipedia

    en.wikipedia.org/wiki/Overture,_Scherzo_and_Finale

    The Overture, Scherzo and Finale (German: Ouvertüre, Scherzo und Finale) in E major is a work for symphony orchestra by Robert Schumann. It is his opus 52, and was written in 1841. Schumann originally considered it his second symphony. [ 1 ]